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Class Information
Number: 4/499
Name: Baths, closets, sinks, and spittoons > Pool type > Accessory > Covering > Air inflatable or supported
Description: Subject matter wherein a gaseous fluid is utilized to shape, strengthen, or keep the cover above the surface of the water.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8578524 Cover lifter Nov. 12, 2013
8371321 Pool shade Feb. 12, 2013
8347876 Floating temperature regulating and evaporation reducing cover for a pool Jan. 8, 2013
8201285 Inflatable pool covering system and associated method Jun. 19, 2012
8069504 Bladder for winterizing a swimming pool Dec. 6, 2011
8015631 Safety enclosure cover for portable inflatable pool Sep. 13, 2011
7971286 Swimming pool with bench seating module Jul. 5, 2011
7874023 Inflatable safety swimming pool cover Jan. 25, 2011
7603727 Floating spa cover of adjustable size Oct. 20, 2009
6694539 Bubble ease Feb. 24, 2004
6637046 Heat retaining swimming pool cover Oct. 28, 2003
6574804 Safety and life-saving device for aquatic environment Jun. 10, 2003
6539559 Anti-litter float for a swimming pool and method of using anti-litter float for a swimming pool Apr. 1, 2003
6523190 Heat retaining swimming pool cover Feb. 25, 2003
6497533 Drainage system with membrane cover and method for covering wastewater reservoir Dec. 24, 2002
6408453 Inflatable swimming pool assembly Jun. 25, 2002
6374433 Moveable hot tub cover structure Apr. 23, 2002
6357964 Drainage system with membrane cover and method for covering wastewater reservoir Mar. 19, 2002
6286157 Inflatable cover for swimming pools Sep. 11, 2001
6286155 Pool cover having integral reflective solar heating and insulative properties Sep. 11, 2001
6209150 Inflatable Sun shade for pool Apr. 3, 2001
6119284 Floating pool cover support Sep. 19, 2000
6052843 Float-retaining covering device Apr. 25, 2000
5922421 Combined vapor barrier and water drain assembly for covers of heated water tubs and pools Jul. 13, 1999
5901503 Swimming pool dome May. 11, 1999
5860413 Pool cover Jan. 19, 1999
5555877 Cover for pond used to collect solar radiation Sep. 17, 1996
5511536 Solar-type pool cover Apr. 30, 1996
5381634 Covering structure particularly for surfaces having a marked longitudinal extension Jan. 17, 1995
5373590 Spa cover Dec. 20, 1994
5367722 Spa and tub cover Nov. 29, 1994
5293652 Swimming pool winterizing method and apparatus Mar. 15, 1994
5246308 Fluid storage system and methods of installation Sep. 21, 1993
5144704 Swimming pool cover with multiple air compartments Sep. 8, 1992
4953239 Inflatable pool cover Sep. 4, 1990
4851275 Covering used to protect water conditions of nursery pool from damage by acid rain and extraordinary temperatures Jul. 25, 1989
4847925 Cover for a pool, hot tub or the like Jul. 18, 1989
4825479 Inflatable swimming pool cover May. 2, 1989
4790037 Swimming pool cover assembly Dec. 13, 1988
4718130 Interdome enclosure system for a heated swimming pool Jan. 12, 1988
4685254 Swimming pool cover support, covered swimming pool and method of covering a swimming pool Aug. 11, 1987
4672691 Bulk volume fermenter Jun. 16, 1987
4626005 Fluid-tight flexible connection between hollow sections Dec. 2, 1986
4606083 Tub cover Aug. 19, 1986
4601072 Swimming pool cover Jul. 22, 1986
4597113 Inflatable reservoir for containing a liquid, more especially an inflatable swimming pool, and a method for filling same Jul. 1, 1986
4582048 Floating blanket barrier utilizing coverites Apr. 15, 1986
4577352 Extruded section for swimming pool rollable cover Mar. 25, 1986
4547919 Inflatable article with reforming and reinforcing structure Oct. 22, 1985
4517957 Inflation supported solar collector May. 21, 1985

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